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Invasive, Exotic Plants of the Southeast

Cypressvine Morningglory

Common Name: Cypressvine Morningglory

Scientific Name: Ipomoea quamoclit

Identification: Cypressvine Morningglory is an annual twining vine that may reach 20 feet or more in length.  The leaves are 3-4 inches long, feather-like and pinnately divided.  The smooth vine is relatively thin and fragile.  Small, star-shaped, scarlet flowers appear in late summer.  Round to oval capsule, containing 4 seeds, matures in late-summer and early-fall.

Ecology: Cypressvine Morninglory is a common invasive plant in the Southeast.  This vine often is planted to attract hummingbirds but will escape and overtake stands of young timber.  This invasive vine colonizes by prolific vine growth and seeds.

Plant Control:Spray vines with a 5% glyphosate and surfactant solution in late summer, but note that non-target plants may be at higher risk with this method. Increase solution strength if necessary and re-treat as needed for complete control.    For small infestations, hand pulling, weed-eating, or mowing in late summer before seed maturation may provide adequate control. Monitor yearly and control as needed to prevent reinfestation. 
 
Alternative Native Species: Carolina Jessamine (Gelsemium sempervirens), Coral Honeysuckle (Lonicera sempervirens), Crossvine (Bignonia capreolata)

When using herbicides remember to follow label-recommendations.  Any mention of trade, products, or firm names is for descriptive purposes only and does not imply endorsement by North Carolina State University.

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